CN105003684B - New kelly cock with stabilized seal ability - Google Patents
New kelly cock with stabilized seal ability Download PDFInfo
- Publication number
- CN105003684B CN105003684B CN201510485370.3A CN201510485370A CN105003684B CN 105003684 B CN105003684 B CN 105003684B CN 201510485370 A CN201510485370 A CN 201510485370A CN 105003684 B CN105003684 B CN 105003684B
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- CN
- China
- Prior art keywords
- valve
- assembly
- valve body
- valve seat
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 37
- 238000012856 packing Methods 0.000 claims description 22
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses the new kelly cock with stabilized seal ability, it includes upper valve seat assembly, lower valve seat assembly, switch axle assembly, Spool assembly and valve body（1）, upper valve seat assembly, lower valve seat assembly and Spool assembly are respectively positioned on valve body（1）Inner chamber in, and upper valve seat assembly is located at Spool assembly top, and lower valve core assembly is located at Spool assembly lower section, and described Spool assembly includes valve element（2）, left socle（3）, right support（4）And bearing pin（5）, described switch axle assembly includes switch shaft（6）With plane needle bearing（7）.The beneficial effects of the invention are as follows：Designed by gap, make valve element be to be in quick condition in plug valve work, can be with the relative position between adjust automatically and valve seat, and valve body long service life, whole plug valve frock is reliable, assembling is simple.
Description
Technical field
The present invention relates to drilling well plug valve, the particularly new kelly cock with stabilized seal ability.
Background technology
Kelly cock is, by artificial control valve core rotation, to be at being turned on or off state, protects drill string
Jet-preventing tool in a kind of system drilling tool in a safe condition under the high pressure of stratum.But the cock that current situ of drilling well is used
Valve there are problems that many, such as stuck phenomenon is likely to occur during use, and closed mode is easily destroyed, it is with pressure under the conditions of
The problems such as opening relatively difficult.Kelly cock is for ensureing well control safety, it is to avoid well control accident plays an important roll,
After kelly cock is installed simultaneously, mud flow rate can be controlled, reach saving drilling fluid, reduce the beneficial effects such as environmental pollution
Really.Therefore, a kind of new kelly bar is studied to be had important practical significance with plug valve.
The content of the invention
Shortcoming it is an object of the invention to overcome prior art, there is provided the new kelly bar rotation with stabilized seal ability
Plug valve.
The purpose of the present invention is achieved through the following technical solutions：New kelly cock with stabilized seal ability
Valve, it includes upper valve seat assembly, lower valve seat assembly, switch axle assembly, Spool assembly and valve body, and upper valve seat assembly, lower valve base is total
It is respectively positioned in the inner chamber of valve body into Spool assembly, and upper valve seat assembly is located at Spool assembly top, lower valve core assembly is located at valve
Core assembly lower section；
Described Spool assembly includes valve element, left socle, right support and bearing pin, and described left socle and right support closure are
One cavity, valve element is arranged in the cavity, and as left, direction where right support is the right side, described valve element in direction where with left socle
Left side be provided with and a locating shaft and offer a switch stopper slot, the location hole coordinated with locating shaft is offered on left socle,
And a pin-and-hole is offered on left socle, bearing pin is connected with pin-and-hole, and the right-hand member of bearing pin is located in switch stopper slot, described
Offer a circular hole on the right side of right support, the lower end of circular hole offers a breach, set on the right side of described valve element
There is a connecting shaft, and connecting shaft is located in circular hole；
Described switch axle assembly includes switch shaft and plane needle bearing, and plane needle bearing is arranged on switch shaft,
An axis hole is offered on the side wall of described valve body, the right-hand member and plane needle bearing of switch shaft are connected in axis hole
It is interior, and switch shaft right-hand member by least three sealing rings seal, a groove, a left side for switch shaft are offered in described connecting shaft
End is provided with a square block, and described square block is connected with groove fit.
Described lower valve seat assembly includes lower valve base, ripple spring A, tetrafluoroethene sealing ring A and adjustment packing ring A, described
Adjustment packing ring A be arranged on the step of body cavity, lower valve base is arranged on adjustment packing ring A tops and lower valve base and valve body inner side
Wall is sealed by least three groups sealing rings, and the ripple spring A is located in the gap between lower valve base and adjustment packing ring A, described
Tetrafluoroethene sealing ring A be arranged on and lower valve base upper end and sealed with end in contact under valve element.
Described upper valve seat assembly includes upper valve base, ripple spring B, tetrafluoroethene sealing ring B, adjustment packing ring B, valve body
And clamp nut, positioned at valve element top, described ripple spring B is arranged on the seam between upper valve base and valve element to described upper valve base
Sealed in gap and with valve element upper-end contact, described valve body coordinates in body cavity and by least three groups sealing rings
Sealing, described valve body lower end is supported jointly by left socle and right support, and described upper valve base coordinates in valve seat intracoelomic cavity
It is interior and sealed by least three groups sealing rings, adjustment packing ring B, four are provided between upper valve base upper end and valve body inner cavity top
PVF sealing ring B is arranged in the gap between adjustment packing ring B and upper valve base, and described clamp nut is located at valve body top
And compressed valve body by screwing.
Described sealing ring is O-ring seals.
The curved angle of described switch stopper slot is 90 °, and after coordinating with bearing pin, valve element is only possessed opening and closing
Two states
The present invention has advantages below：
1st, designed by gap, it is ensured that the gap with 1 ~ 2mm between valve element and valve seat, make valve element be in plug valve work
In quick condition, can be with the relative position between adjust automatically and valve seat；
2nd, axial load passes to valve body by left and right support, and upper load is born by valve body, is held rather than by valve seat
Receive, make valve seat that there is longer service life；
3rd, the anglec of rotation of switch stopper slot limit switch axle only has 90 °, it is ensured that plug valve is only turned on or off two
Working condition is planted, it is stable and reliable in work；
4th, whole plug valve system architecture is simple, and assembling is easy.
Brief description of the drawings
Fig. 1 is structural representation of the invention
Fig. 2 is E-E schematic cross-sectional views in Fig. 1
Fig. 3 is valve element schematic front view
Fig. 4 is valve element schematic cross-sectional view
Fig. 5 is that left and right support assorted connects schematic perspective view
In figure, 1- valve bodies, 2- valve elements, 3- left socles, 4- right supports, 5- bearing pins, 6- switch shafts, 7- plane needle bearings,
8- axis holes, 9- lower valve bases, 10- ripple springs A, 11- tetrafluoroethene sealing ring A, 12- adjustment packing ring A, 13- upper valve base, 14- ripples
Bellows spring B, 15- tetrafluoroethene sealing ring B, 16- adjustment packing ring B, 17- valve body, 18- clamp nuts, 21- locating shafts, 22- is opened
Close stopper slot, 23- connecting shafts, 24- square blocks, 25- grooves, 31- location holes, 32- pin-and-holes, 41- circular holes, 42- breach.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
As shown in figure 1, the new kelly cock with stabilized seal ability, it includes upper valve seat assembly, lower valve base
Assembly, switch axle assembly, Spool assembly and valve body 1, upper valve seat assembly, lower valve seat assembly and Spool assembly are respectively positioned on valve body 1
In inner chamber, and upper valve seat assembly is located at Spool assembly top, and lower valve core assembly is located at Spool assembly lower section；
In the present embodiment, as shown in Fig. 1 ~ Fig. 5, described Spool assembly includes valve element 2, left socle 3, the and of right support 4
Bearing pin 5, described left socle 3 and the closure of right support 4 are a cavity, and valve element 2 is arranged in the cavity, with the place side of left socle 3
To being a left side, the place direction of right support 4 is the right side, and the left side of described valve element 2 is provided with a locating shaft 21 and offers switch limit
Position groove 22, offers the location hole 31 coordinated with locating shaft, and a pin-and-hole 32, bearing pin 5 are offered on left socle 3 on left socle 3
It is connected with pin-and-hole 32, and the right-hand member of bearing pin 5 is located in switch stopper slot 22, is opened up on the right side of described right support 4
There is a circular hole 41, the lower end of circular hole 41 offers a breach 42, a connecting shaft 23 be provided with the right side of described valve element 2,
And connecting shaft 23 is located in circular hole 41；In the present embodiment, there is gap before valve element 2 and valve body 1, the clearance control 1 ~
2mm, can so make valve element 2 be in quick condition, valve element 2 is possessed micro-adjustment feature, it is ensured that valve element 2 and upper valve base 13, lower valve
The axial vibration adjustment of the adjust automatically of seat 9, i.e. the radial direction adjust automatically and upper valve base 13 of valve element 2, lower valve base 9, and left branch
Frame 3 and right support 4 are that an intact stent is obtained by linear cutter, left socle 3 and right support 4 and the directly contact of valve body 1,
Therefore the plug valve longitudinal loading transfer characteristic shows as：Longitudinal loading is delivered to left and right support 3,4 by valve element, then left,
Right support 3,4 is delivered to valve body 1 again, rather than is born by upper and lower valve seat 13,9, so as to be effectively guaranteed upper and lower valve seat 13,9
Service life.
In the present embodiment, described switch axle assembly includes switch shaft 6 and plane needle bearing 7, plane needle bearing 7
On switch shaft 6, an axis hole 8, the right-hand member and plane needle roller axle of switch shaft 6 are offered on the side wall of described valve body 1
7 are held to be connected in axis hole 8, and the right-hand member of switch shaft 6 is sealed by least three sealing rings, in described connecting shaft 23
A groove 25 is offered, the left end of switch shaft 6 is provided with a square block 24, and described square block 24 is connected with groove 25.
In the present embodiment, described lower valve seat assembly includes lower valve base 9, ripple spring A10, tetrafluoroethene sealing ring
On the step of the inner chamber of valve body 1, lower valve base 9 is arranged on adjusting pad for A11 and adjustment packing ring A12, described adjustment packing ring A12
Circle A12 tops and lower valve base 9 and the madial wall of valve body 1 are sealed by least three groups sealing rings, and the ripple spring A10 is located at lower valve
In gap between seat 9 and adjustment packing ring A12, described tetrafluoroethene sealing ring A11 is arranged on the upper end of lower valve base 9 and and valve element
2 times end in contact sealings, lower valve base 9 is used cooperatively with ripple spring A10, it is ensured that it is contacted within the specific limits, by ripple
The effect of bellows spring A10, valve element 2 keeps certain extruding force and frictional force with lower valve base 9, so as to realize stabilized seal ability
Technique effect.Can also make plug valve that there are different sealabilities by adjusting the rigidity of ripple spring A10 simultaneously, so that
Ensure the sealing property of valve element 2 and lower valve base 9.
Described upper valve seat assembly includes upper valve base 13, ripple spring B14, tetrafluoroethene sealing ring B15, adjustment packing ring
B16, valve body 17 and clamp nut 18, described upper valve base 13 are located at the top of valve element 2, and described ripple spring B14 is arranged on
Sealed in gap between upper valve base 13 and valve element 2 and with the upper-end contact of valve element 2, described valve body 17 coordinates installed in valve body
Sealed in 1 inner chamber and by least three groups sealing rings, the described lower end of valve body 17 is propped up jointly by left socle 3 and right support 4
Support, described upper valve base 13 is coordinated in the inner chamber of valve body 17 and is sealed by least three groups sealing rings, in the upper end of upper valve base 13
Be provided between the inner cavity top of valve body 17 adjustment packing ring B15, tetrafluoroethene sealing ring B15 be arranged on adjustment packing ring B15 with
In gap between upper valve base 13, described clamp nut 18 is located at the top of valve body 17 and is pressed valve body 17 by screwing
Tightly, upper valve base 13 is used cooperatively with ripple spring B15, it is ensured that it is contacted within the specific limits, by the work of ripple bullet B14
With valve element 2 keeps certain extruding force and frictional force with upper valve base 13, so as to realize the technique effect of stabilized seal ability.Together
When can also make plug valve that there are different sealabilities by adjusting the rigidity of ripple spring B14, so that it is guaranteed that valve element 2 with
The sealing property of upper valve base 13.
In the present embodiment, described sealing ring is O-ring seals, in sealing ring installation site, is offered and sealing
Enclose the seal groove for coordinating.
In the present embodiment, the curved angle of described switch stopper slot 22 is 90 °, and after coordinating with bearing pin 5, makes valve element
2 possess opening and closing two states, so as to the unlatching of plug valve being effectively ensured, closing and sealing.
Claims (4)
1. there is the new kelly cock of stabilized seal ability, it is characterised in that：It includes that upper valve seat assembly, lower valve base are total
Into, switch axle assembly, Spool assembly and valve body（1）, upper valve seat assembly, lower valve seat assembly and Spool assembly are respectively positioned on valve body（1）
Inner chamber in, and upper valve seat assembly be located at Spool assembly top, lower valve core assembly be located at Spool assembly lower section；
Described Spool assembly includes valve element（2）, left socle（3）, right support（4）And bearing pin（5）, described left socle（3）With
Right support（4）Close is a cavity, valve element（2）In the cavity, with left socle（3）Place direction is a left side, right support（4）
Place direction is the right side, described valve element（2）Left side be provided with a locating shaft（21）With offer a switch stopper slot（22）, it is left
Support（3）On offer with locating shaft coordinate location hole（31）, and left socle（3）On offer a pin-and-hole（32）, bearing pin（5）
With pin-and-hole（32）It is connected, and bearing pin（5）Right-hand member be located at switch stopper slot（22）It is interior, switch stopper slot（22）Arc angle
It is 90 ° to spend, and and bearing pin（5）After cooperation, make valve element（2）Only possess opening and closing two states；Described right support（4）'s
A circular hole is offered on right side（41）, circular hole（41）Lower end offer a breach（42）, described valve element（2）Right side
On be provided with a connecting shaft（23）, and connecting shaft（23）Positioned at circular hole（41）It is interior；
Described switch axle assembly includes switch shaft（6）With plane needle bearing（7）, plane needle bearing（7）Installed in switch
Axle（6）On, described valve body（1）Side wall on offer an axis hole（8）, switch shaft（6）Right-hand member and plane needle bearing
（7）It is connected in axis hole（8）It is interior, and switch shaft（6）Right-hand member by least three sealing rings seal, described connecting shaft
（23）On offer a groove（25）, switch shaft（6）Left end be provided with a square block（24）, described square block（24）With it is recessed
Groove（25）It is connected.
2. the new kelly cock with stabilized seal ability according to claim 1, it is characterised in that：Described
Lower valve seat assembly includes lower valve base（9）, ripple spring A（10）, tetrafluoroethene sealing ring A（11）With adjustment packing ring A（12）, it is described
Adjustment packing ring A（12）Installed in valve body（1）On the step of inner chamber, lower valve base（9）Installed in adjustment packing ring A（12）Top and under
Valve seat（9）With valve body（1）Madial wall is sealed by least three groups sealing rings, the ripple spring A（10）Positioned at lower valve base（9）With
Adjustment packing ring A（12）Between gap in, described tetrafluoroethene sealing ring A（11）Installed in lower valve base（9）Upper end and and valve
Core（2）Lower end in contact sealing.
3. the new kelly cock with stabilized seal ability according to claim 1, it is characterised in that：Described
Upper valve seat assembly includes upper valve base（13）, ripple spring B（14）, tetrafluoroethene sealing ring B（15）, adjustment packing ring B（16）, valve seat
Body（17）And clamp nut（18）, described upper valve base（13）Positioned at valve element（2）Top, described ripple spring B（14）Install
In upper valve base（13）With adjustment packing ring B（16）Between gap in, described valve body（17）Coordinate and be arranged on valve body（1）Inner chamber
It is interior and sealed by least three groups sealing rings, described valve body（17）Lower end passes through left socle（3）And right support（4）Common branch
Support, described upper valve base（13）Coordinate in valve body（17）Sealed in inner chamber and by least three groups sealing rings, in upper valve base
（13）Upper end and valve body（17）Adjustment packing ring B is provided between inner cavity top（15）, tetrafluoroethene sealing ring B（15）It is arranged on
Valve element（2）With upper valve base（13）Between gap in and and valve element（2）Upper-end contact is sealed, described clamp nut（18）It is located at
Valve body（17）Top and by screwing valve body（17）Compress.
4. the new kelly cock with stabilized seal ability according to any one in claim 1-3, it is special
Levy and be：Described sealing ring is O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485370.3A CN105003684B (en) | 2015-08-10 | 2015-08-10 | New kelly cock with stabilized seal ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485370.3A CN105003684B (en) | 2015-08-10 | 2015-08-10 | New kelly cock with stabilized seal ability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003684A CN105003684A (en) | 2015-10-28 |
| CN105003684B true CN105003684B (en) | 2017-06-16 |
Family
ID=54376472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510485370.3A Active CN105003684B (en) | 2015-08-10 | 2015-08-10 | New kelly cock with stabilized seal ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003684B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387002B (en) * | 2017-08-31 | 2023-03-24 | 成都西南石大石油工程技术有限公司 | Double-channel plug valve |
| CN108468825A (en) * | 2018-05-25 | 2018-08-31 | 温州大学苍南研究院 | A kind of IC card flow control low-power consumption ball valve |
| CN108468824A (en) * | 2018-05-25 | 2018-08-31 | 温州大学苍南研究院 | IC card flow control low-power consumption ball valve |
| CN109357034A (en) * | 2018-12-13 | 2019-02-19 | 哈尔滨新中新电子股份有限公司 | A kind of control water non-return valve |
| CN111396588A (en) * | 2020-04-07 | 2020-07-10 | 郑州市新玉源机械工业有限公司 | Novel floating ball valve |
| CN117989345B (en) * | 2024-04-03 | 2024-06-11 | 东营威特石油装备有限公司 | Kelly bar plug valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4436202A1 (en) * | 1994-09-29 | 1996-04-11 | Rautenkranz Int Hermann | Ball valve mounted within the drill string, can be turned under high pressure by hand |
| CN2298384Y (en) * | 1997-04-25 | 1998-11-25 | 郝凤波 | Eccentric rotating valve |
| US6662886B2 (en) * | 2000-04-03 | 2003-12-16 | Larry R. Russell | Mudsaver valve with dual snap action |
| CN200943466Y (en) * | 2006-08-30 | 2007-09-05 | 四川石油管理局钻采工艺技术研究院 | Low torque kelly bar cock valve |
| CA2869762A1 (en) * | 2012-05-18 | 2013-11-21 | Halliburton Energy Services, Inc. | Elongated trunnion for high pressure ball valves |
| CN203515402U (en) * | 2013-10-28 | 2014-04-02 | 王宗成 | Continuous circulating short piece applicable to oil and gas drilling |
| CN204828751U (en) * | 2015-08-10 | 2015-12-02 | 成都保瑞特钻头有限公司 | Novel kelly plug valve with stabilize sealability |
-
2015
- 2015-08-10 CN CN201510485370.3A patent/CN105003684B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003684A (en) | 2015-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611130 Wenjiang District, Chengdu, Sichuan, No. 123, Xingxin Road, Chengdu science and technology development park across the Taiwan Strait. Patentee after: Sichuan Bao Wright drill Co.,Ltd. Address before: 611130 Wenjiang District, Chengdu, Sichuan, No. 123, Xingxin Road, Chengdu science and technology development park across the Taiwan Strait. Patentee before: Chengdu Baoruite Drill Bit Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 611130 No. 30, West Section of Second Ring Road, Tianyuan Town, Zheyang District, Deyang City, Sichuan Province Patentee after: Sichuan Bao Wright drill Co.,Ltd. Address before: 611130 Wenjiang District, Chengdu, Sichuan, No. 123, Xingxin Road, Chengdu science and technology development park across the Taiwan Strait. Patentee before: Sichuan Bao Wright drill Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A new type of square drill pipe plug valve with stable sealing ability Granted publication date: 20170616 Pledgee: The Great Wall West Bank Bank of China Deyang hi tech branch Pledgor: Sichuan Bao Wright drill Co.,Ltd. Registration number: Y2024980021330 |